15% was the positivity rate at the peak of the wave in France: https://www.meteo-covid.com/graphique-taux-de-positivite https://www.meteo-covid.com/graphique-ta

15% was the positivity rate at the peak of the wave in France: https://www.meteo-covid.com/graphique-taux-de-positivite https://www.meteo-covid.com/graphique-taux-de-positivite